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* Adjust your oil pressure easily with the Pro-Just pressure relief cap
* Made from billet 6061 aluminum and are counter bored to accept two o-rings
* Kit comes with blue super pump spring
* Adjustment of the oil pressure is done with the engine running
* Turning thumb screw clockwise increases oil pressure, while turning counter-clockwise decreases oil pressure
* Includes detailed instructions
E.R.T. Products
Oil Pump Spring & Relief Cap Kit
Fits Big Twin Single Cam 1973/1999
